When One Mole of Potassium Chlorate Dissolves in a Kilogram $\degree$

question 45

Essay

When one mole of potassium chlorate dissolves in a kilogram of water to produce about a liter of solution, the temperature decreases by almost 9 $\degree$ C.Is the dissolution of KClO₃ in water exothermic or endothermic? Briefly explain your answer.

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Definitions:

Meta-analysis

A statistical procedure that integrates findings from separate but similar studies to identify patterns, contradictions, or strengths in the collected research data.

Reliability

Consistency of measurement.

Validity

The accuracy of a test in measuring what it is intended to measure.

Consistency

The adherence to the same principles, course, or form over time, often considered a hallmark of reliability or stability in contexts or behaviors.